EP2637848B1 - Verfahren zur steuerung der verwaltung von ringförmigen verankerungsstrukturen in einem verfahren und anlage zur herstellung von reifen für fahrzeugräder - Google Patents

Verfahren zur steuerung der verwaltung von ringförmigen verankerungsstrukturen in einem verfahren und anlage zur herstellung von reifen für fahrzeugräder Download PDF

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Publication number
EP2637848B1
EP2637848B1 EP11799310.5A EP11799310A EP2637848B1 EP 2637848 B1 EP2637848 B1 EP 2637848B1 EP 11799310 A EP11799310 A EP 11799310A EP 2637848 B1 EP2637848 B1 EP 2637848B1
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EP
European Patent Office
Prior art keywords
storage region
annular anchoring
anchoring structures
bead
building
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP11799310.5A
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English (en)
French (fr)
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EP2637848A1 (de
Inventor
Maurizio Marchini
Gianni Mancini
Andrea D'ambrosio
Stefano Balia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pirelli Tyre SpA
Original Assignee
Pirelli SpA
Pirelli Tyre SpA
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Publication date
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Publication of EP2637848A1 publication Critical patent/EP2637848A1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/28—Rolling-down or pressing-down the layers in the building process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0016—Handling tyres or parts thereof, e.g. supplying, storing, conveying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24—Drums
    • B29D30/244—Drums for manufacturing substantially cylindrical tyre components with cores or beads, e.g. carcasses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24—Drums
    • B29D30/26—Accessories or details, e.g. membranes, transfer rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0016—Handling tyres or parts thereof, e.g. supplying, storing, conveying
    • B29D2030/0044—Handling tyre beads, e.g., storing, transporting, transferring and supplying to the toroidal support or to the drum

Definitions

  • the present invention relates to a method of controlling the management of annular anchoring structures in a process and a plant for building tyres for vehicle wheels.
  • a tyre for vehicle wheels generally comprises a carcass structure including at least one carcass ply having respectively opposite end flaps in engagement with respective annular anchoring structures, integrated into the regions usually identified as "beads", having an inner diameter substantially corresponding to a so-called “fitting diameter" of the tyre on a respective mounting rim.
  • annular anchoring structure it is intended a tyre element comprising a bead core.
  • this component comprises a bead core and a filling insert. More preferably this component comprises a bead core and a filling insert both enclosed by an edge.
  • the carcass-structure building line comprises a work station for applying a pair of the aforesaid annular anchoring structures to the opposite axial ends of the carcass ply/plies and can further be provided with devices for turning up the ends of the carcass ply/plies on the carcass ply itself so as to form loops containing the annular anchoring structures.
  • Document US 3,700,526 discloses an automatic machine for producing green tyres.
  • the machine comprises a plurality of interconnected and dependent stations in which specialised operations are carried out by mechanical devices acting in sequence.
  • the machine comprises a plurality of building drums continuously moving between horizontal stationary tables, at which winding of material on the drums occurs, while said drums are being moved across the table on which the material is positioned.
  • the drums with the wound material are sent to and positioned on turrets for receiving the bead cores and tread band that are subsequently unloaded from the collapsed drums for storage.
  • At least one pair of racks capable of horizontally storing the bead cores are positioned close to the turret.
  • a transfer arm is associated with each rack for moving the bead cores on the turret and means is provided for bringing the bead cores horizontally arranged on the rack into engagement with the transfer arm.
  • This document also discloses a tire building plant comprising a line for building carcasses on tire building drums, a bead forming machine, a first storage station and a second storage station, and a transfer device for transferring beads from the first or second storage stations to the bead forming machine.
  • a single transfer device (“common transfer means 23") transfers different kinds of beads from three different conveyor belts (9, 10, 11) to the bead loader 20.
  • Document EP 1724100 - A discloses a tire production method and a bead member feeding device, enabling a tire production system for producing tires with different rim diameters one after the other at a predetermined tact time.
  • a tire production system for producing tires with different rim diameters one after the other at a predetermined tact time.
  • plural sizes of bead members are stored in a container according to a production sequence including a sequence phase in which tires with different rim diameters are produced one after the other, and are removed from the container and fed to the green tires under production.
  • the Applicant has verified that in modern tyre-producing plants, production of a plurality of tyre batches is increasingly more required, each batch having a limited number of tyres with different technical features.
  • This request depends on the market requirements as the market continuously evolves and needs specific tyres for each car and/or motorcycle (production differentiation), in particular for high-end vehicles, and the tyre performances are required to keep up with the increase of the motor vehicles and motorcycles' performances.
  • production of a plurality of batches consisting of a limited number of tyres meets the requirements of sports contests.
  • the Applicant has perceived the importance of managing (storing, moving, etc.) the constituent elements of a tyre that are pre-assembled in work stations physically separated from the building lines of a plant of the aforesaid type and only subsequently fed to the plant itself.
  • the Applicant has perceived the necessity to simultaneously manage an important number of types of annular anchoring structures intended for tyres having different sizes.
  • the Applicant intends to provide a method and a plant that, during building and assembling of the tyre components, are capable of ensuring flexible management of the annular anchoring structures.
  • the Applicant intends to provide a method and a plant allowing different types of annular anchoring structures to be managed, so that the size of the tyres to be produced may be changed with ease and quickness without the presence of idle time between the production of a batch and that of the following one.
  • the Applicant has found that by arranging two lines for storage and transport of the annular anchoring structures, preferably in side by side relationship with each other, close to a bead-forming machine belonging to a carcass-structure building line, it is possible while a tyre batch is being produced, to prepare the annular anchoring structures intended for the following batch.
  • the present invention relates to a method of controlling the management of annular anchoring structures in a plant for building tyres for vehicle wheels as defined in claim 1, the method comprising:
  • the Applicant has verified that by use of said method it is possible to manage annular anchoring structures different in size (fitting) or in the type of the various elements (bead core, filling insert, etc.) for each tyre batch under production during a given workshift. In this manner the technological flexibility is increased while the production capacity of the building plant is maintained substantially constant.
  • the present invention relates to a plant for building tyres for vehicle wheels as defined in claim 17, the plant comprising :
  • said action b) takes place during transport of the first annular anchoring structures to said bead-forming machine.
  • said action f) takes place during transport of the second annular anchoring structures to said bead-forming machine.
  • the Applicant has found that during production of a first tyre batch, the operator has sufficient time to start preparation of the annular anchoring structures (with different sizes or different structure) intended for the following batch by manually arranging them in the second storage region, so that they are ready for being automatically picked up when they are required for production of said following batch.
  • the second annular anchoring structures are carried from the second storage region to the first storage region by shifting baskets each containing a plurality of said second annular anchoring structures.
  • the first annular anchoring structures are carried from the second storage region to the first storage region through shifting of baskets each containing a plurality of said first annular anchoring structures.
  • action b) comprises: bringing the second annular anchoring structures to a loading location of the second storage region.
  • action e) comprises: bringing the first annular anchoring structures to a loading location of the second storage region.
  • the first annular anchoring structures or the second annular anchoring structures are loaded into a basket placed in the loading location.
  • the annular anchoring structures are manually loaded in the loading location and the operator has all the time required for loading them, picking them up from a container in which they are horizontally disposed upon each other and taking them to the loading location.
  • annular anchoring structures are moved to other locations of the same second storage region waiting for their subsequent use.
  • the first annular anchoring structures or the second annular anchoring structures are moved from the loading location to storage locations of the second storage region through shifting of baskets each containing a plurality of said first annular anchoring structures or second annular anchoring structures, respectively.
  • the first annular anchoring structures or the second annular anchoring structures are moved from the loading location directly to the first storage region by shifting baskets each containing a plurality of said first annular anchoring structures or second annular anchoring structures, respectively.
  • Shifting of the baskets takes place in a clever manner depending on the free space in the two storage regions, acting in such a manner that: in the first region there is always the presence of at least one basket containing the correct annular anchoring structures for production of the tyre batch in progress; the first and/or second region contain baskets having the correct annular anchoring structures for production of the following tyre batch; and the empty baskets reach the loading location for being filled.
  • action c) takes place during formation of each pair of beads on each first carcass sleeve.
  • the empty baskets are shifted from the first storage region to the second storage region.
  • Production of the following batch starts immediately after the end of the preceding batch production, because the plant is already programmed for carrying out production of the carcass sleeves of the following batch with the related specifications on the building drums, and the previously prepared correct annular anchoring structures are already available in the first storage region.
  • a plurality of baskets is provided that can be housed in the first storage region and in the second storage region, wherein the baskets are each able to hold a plurality of annular anchoring structures.
  • a third movable transport device is provided between the building device and the bead-forming machine, for taking the building drums with the carcass sleeves devoid of annular anchoring structures from the building device to the bead-forming machine and for moving the building drums with the carcass sleeves provided with pairs of annular anchoring structures away from the bead-forming machine.
  • the first transport device is interposed between the bead-forming machine and the first storage region.
  • the second transport device is interposed between the first storage region and the second storage region.
  • the third transport device is interposed between the bead-forming machine and the first transport device.
  • a free region disposed in side by side relationship with the second storage region can be obtained in which the operator can move and work for loading the annular anchoring structures of the subsequent batch picking them up from the suitable containers in which they are stored upon each other.
  • This arrangement further allows a region in side by side relationship with the bead-forming machine (lying on the opposite side relative to the first storage region) to be left free for access by the operator should possible servicing or interventions be required, or merely, for visual and touch control of the correct formation of the beads (quality monitoring).
  • the first storage region extends in a horizontal direction.
  • the first storage region comprises a plurality of first storage locations disposed in mutual side by side relationship along said horizontal direction and each adapted to receive a basket.
  • the first storage region comprises a plurality of second storage locations superposed on the first storage location.
  • the first storage region is defined by a frame of simple structure, easy access and cheap.
  • the first transport device comprises:
  • the first transport device By sliding along the first guide, moving vertically, moving close to or away from the first storage region and close to or away from the bead-forming machine, the first transport device easily reaches all baskets stored in said first storage region and is also able to bring the annular anchoring structures picked up from said baskets, onto the bead-forming machine.
  • the second storage region substantially extends parallel to the first storage region.
  • the second storage region comprises a plurality of third storage locations disposed in mutual side by side relationship with each other and parallel to said horizontal direction and each adapted to receive a basket.
  • the second storage region comprises a plurality of fourth storage locations superposed on the third storage locations.
  • the second storage region has a structure similar to or identical with that of the first storage region.
  • the second storage region comprises a loading location accessible by an operator and adapted to receive one of said plurality of baskets to be filled with the annular anchoring structures.
  • the operator must only move between the containers for the annular anchoring structures and the loading location because the following basket-shifting operations are managed by the plant.
  • the second transport device comprises:
  • the second transport device By sliding along the second guide, moving vertically, moving close to or away from the first storage region and close to or away from the second storage region, the second transport device easily reaches all stored baskets and is able to shift them between one storage region and the other.
  • the third transport device comprises:
  • the third transport device comprises a first support and a second support for respective building drums.
  • the first transport device comprises a third arm for picking up a building drum from the first support and laying it down in the bead-forming machine and for laying down a building drum picked up from the bead-forming machine on the second support.
  • the first transport device performs several functions, i.e. it unloads a building drum provided with carcass sleeve on which the beads have already been formed by the bead-forming machine, loads a subsequent drum provided with carcass sleeve but without beads, into the bead-forming machine and brings the annular anchoring structures intended for the subsequent drum into the bead-forming machine.
  • a plant for building tyres 2 in accordance with the present invention has been generally denoted at 1.
  • Plant 1 is designed for manufacturing tyres 2 ( Fig. 3 ) essentially comprising at least one carcass ply 3 preferably internally coated with a layer of airtight elastomeric material, or a so-called liner 4, two so-called "beads” 5 integrating respective annular anchoring structures 6 including respective bead cores 6a possibly associated with elastomeric fillers 6b and in engagement with the circumferential edges of the carcass ply 3, a belt structure 7 applied at a radially external position to the carcass ply 3, a tread band 8 applied at a radially external position to the belt structure 7, in a so-called crown region of tyre 2, and two sidewalls 9 applied to the carcass ply 3 at laterally opposite positions, each at a side region of tyre 2, extending from the corresponding bead 5 to the corresponding side edge of the tread band 8.
  • Plant 1 preferably comprises a carcass-structure building line 10, in which a carcass structure including at least one of the carcass plies 3 and the annular anchoring structures 6 is formed on a building drum 11.
  • the carcass-structure building line 10 comprises a device 12 for building carcass sleeves on the building drums 11.
  • the building device 12 comprises a plurality of stations 13.
  • a first station 13 forms liner 5, preferably through winding of a continuous elongated element of elastomeric material into mutually adjacent and/or at least partly overlapped coils and distributed along the forming surface of the first forming drum 11.
  • manufacture of one or more carcass plies 4 can be carried out, said plies being preferably obtained by laying strip-like elements obtained by cutting to size a continuous strip of elastomeric material including textile or metallic cords disposed adjacent and parallel to each other, on the building drum 11, in a circumferentially approached relationship.
  • the carcass-structure building line 10 further comprises a station 14 dedicated to integrating the annular anchoring structures 6 into said at least one carcass ply 4, through application of the annular anchoring structures 6 themselves at an axially external position to the flaps of said at least one carcass ply 4 pulled down in the direction of the rotation axis of said building drum 11, which flaps are subsequently turned up around the annular anchoring structures 6.
  • Plant 1 further comprises a crown-structure building line 15 in which a crown structure comprising at least the belt structure 7 and preferably the tread band 8 too, is formed on a forming drum 16.
  • a crown-structure building line 15 in which a crown structure comprising at least the belt structure 7 and preferably the tread band 8 too, is formed on a forming drum 16.
  • Fig. 1 is a plurality of work stations 17 belonging to the aforesaid line 15 for crown-structure building and each of them is dedicated to formation of at least one portion of a tyre component on the second forming drum 16.
  • the forming drum 16 is sequentially transferred from one station to the following one through suitable devices, not shown.
  • At least one building station 17 can be dedicated to manufacture of the belt structure 7, preferably obtained either by laying down strip-like elements formed by cutting to size a continuous strip of elastomeric material including preferably metallic cords disposed parallel to each other, in circumferentially approached relationship and according to a suitable deposition angle relative to a plane perpendicular to the rotation axis of the forming drum 16; and/or by winding at least one rubberised textile or metallic reinforcing cord into coils disposed axially adjacent to each other in parallel to said plane perpendicular to the rotation axis of the forming drum 16.
  • a work station 17 is preferably provided for manufacturing the tread band 8 and/or the sidewalls 9.
  • Tread band 8 and sidewalls 9 are preferably obtained by winding of at least one continuous elongated element of elastomeric material into coils disposed adjacent to each other and/or at least partly overlapped.
  • Plant 1 is further provided with an assembling and shaping station 18 operatively associated with the carcass-structure building line 15 and the crown-structure building line.
  • the carcass structure is shaped into a toroidal conformation and associated with the crown structure, so as to obtain a green tyre.
  • the green tyres built by the plant are sequentially transferred to a curing line 19, from which moulded and cured tyres 2 are obtained.
  • Station 14 dedicated to integration of the annular anchoring structures 6 comprises a bead-forming machine 20, of the type described in WO 2010/064066 for example, in the name of the Applicant, a first storage region 21 and a second storage region 22 for said annular anchoring structures 6.
  • each annular anchoring structure 6 is formed with a bead core 6a including metal wires and an elastomeric portion 6b disposed at a radially external position around the bead core 6a ( Figs. 4 and 5 ).
  • the station 14 for integration of the annular anchoring structures 6 further comprises a plurality of baskets 23, in each of them a plurality of said annular anchoring structures 6 being housed.
  • each basket holds some dozens of annular anchoring structures 6.
  • Each basket 23, not shown and described in detail, has a plurality of compartments of vertical major extension in each of which a single annular anchoring structure 6 is housed and disposed in a substantially vertical plane.
  • the annular anchoring structures 6 disposed in a basket 23 therefore lie in respective planes disposed in side by side relationship with each other and substantially vertical.
  • the first storage region 21 is preferably defined by a frame, not shown in detail, mainly extending along a horizontal straight direction "X-X".
  • the frame accommodates at least one row of baskets 23 in side by side relationship ( Fig. 2 ) and each of them is placed in a respective first storage location 21a of the first storage region 21.
  • the frame is a two-level frame and the baskets 23 can be disposed in two superposed rows. Each row for instance comprises 10 to 20 baskets 23. Therefore the first storage region 21 comprises a plurality of second storage locations superposed on the first storage locations 21a.
  • the frame can consist of a latticework.
  • the second storage region 22 too is preferably defined by a frame mainly extending along said horizontal straight direction "X-X" and accommodating at least one row of baskets 23 in side by side relationship with each other, in respective third storage locations 22a ( Fig. 2 ).
  • the frame is a two-level frame and the baskets 23 can be disposed in two superposed rows. Each row for instance comprises 10 to 20 baskets 23.
  • the second storage region 22 therefore comprises a plurality of fourth storage locations superposed on the third storage locations 22a.
  • this frame too can consist of a latticework.
  • the frames of the first 21 and second 22 storage regions are of similar structures.
  • the frame of the first storage region 21 is interposed between the frame of the second storage region 22 and the bead-forming machine 20.
  • a first transport device 24 comprising a first straight guide 25 extending parallel to said frame of the first storage region 21 is placed between the frame of the first storage region 21 and the bead-forming machine 20.
  • Slidably installed on the first guide 25 is a first truck 26 carrying a first arm 27.
  • the first arm 27 installed on the first truck 26, driven by a suitable control unit, is able to spatially move and bring the pliers close to each point of the first storage region 21 and close to the bead-forming machine 20.
  • the first arm 27 is therefore movable between a position for picking up pairs of annular anchoring structures 6 placed in baskets 23 of the first storage region 21 and a position for releasing said pairs of annular anchoring structures 6 into the bead-forming machine 20.
  • a second transport device 28 is placed between the two parallel frames of the first 21 and second 22 storage regions and it comprises a second straight guide 29 extending parallel to both said frames.
  • a second truck 30 Slidably installed on the second guide 29 is a second truck 30 carrying a pair of second arms 31.
  • the two second arms 31 are parallel to each other and perpendicular to said horizontal straight direction "X-X", i.e. to the second guide 29.
  • the two second arms 31 move together, relative to the second truck 30, along a direction parallel to their longitudinal extension and a vertical direction.
  • the second truck 30, driven by said control unit is able to bring the second arms 31 close to each basket 23 positioned in the first storage region 21 or in the second storage region 22.
  • the second arms 31, still driven by said control unit are movable on the second truck 30 between a position at which they extend towards the first storage region 21 for engaging and picking up a basket 23 stowed therein or stowing a basket 23 picked up from the second storage region 22 or the first storage region 21 itself, and a position at which they extend towards the second storage region 22, for engaging and picking up a basket 23 stowed therein or stowing a basket 23 picked up from the first storage region 21 or the second storage region 22 itself.
  • a third transport device 32 comprising a third straight guide 33 extending parallel to the first straight guide 25 is placed between the bead-forming machine 20 and the first transport device 24.
  • Slidably movable on the third guide 33 is a first support 34 and a second support 35, each capable of carrying a building drum 11.
  • the third guide 33 extends from the bead-forming machine 20 to the carcass-sleeve building device 12.
  • one end 33a of said third guide 33 is close to an unloading region 12a of the building device 12 at which the building drums 11 provided with the carcass sleeve but still devoid of the annular anchoring structures 6 arrive.
  • the same end 33a of the third guide 33 is also near a picking-up region 36 for the building drums 11 coming from the bead-forming machine 20 (therefore provided with the carcass sleeve and the annular anchoring structures 6) and intended for subsequent working operations.
  • the first truck 26 further carries a third arm 37 provided with suitable hooking mechanisms adapted to manipulate the building drums 11 one at a time.
  • the third arm 37 is able to pick up a building drum 11 lying in the bead-forming machine 20 and provided with the carcass sleeve and the annular anchoring structures 6 and lay it on the first support 34 or the second support 35.
  • the third arm 37 is further able to pick up a building drum 11 lying on the first support 34 or the second support 35 and provided with the carcass sleeve but not yet with the annular anchoring structures 6 and lay it in the bead-forming machine 20.
  • the station 14 for integration of the annular anchoring structures 6 further comprises a region 38 for an operator "P", disposed in side by side relationship with the second storage region 22 and on the opposite side of said second storage region 22 relative to the second transport device 28.
  • the operator "P” has access from such a region 38 to a loading location 39 being part of the second storage region 22 that in the attached Fig. 2 is interposed between two storage locations 22a.
  • containers 40 can be placed in which the annular anchoring structures 6 are disposed horizontally upon each other.
  • plant 1 puts into practice the method of the present invention.
  • the building drums 11 of a first tyre batch to be built coming from the building device 12 and each provided with a first carcass sleeve are fed to the end 33a of the third guide 33, in succession.
  • a handling device not shown, picks up a building drum 11 from the unloading region 12a of the building device 12 and places it on the first support 34 and then picks up a building drum 11 coming from the bead-forming machine 20 from the second support 35 and places it in the picking-up region 36.
  • the first support 34 and second support 35 translate on the third guide 33 until the bead-forming machine 20.
  • baskets 23 which contain first annular anchoring structures 6 having the correct features for mounting on the first carcass sleeves of the first tyre batch being produced.
  • the third arm 37 unloads a building drum 11 provided with a first carcass sleeve and the annular anchoring structures 6 from the bead-forming machine 20 and places it on the second support 35. Subsequently, the third arm 37 picks up said building drum 11 without annular anchoring structures 6 from the first support 34 and loads it up in the bead-forming machine 20.
  • the first arm 27 picks up a pair of first annular anchoring structures 6 from one of baskets 23 and places them on a loading device of the bead-forming machine 20 of the type disclosed in WO 2010/064066 , for example.
  • the bead-forming machine 20 While the bead-forming machine 20 is fitting the first annular anchoring structures 6 on opposite ends of the first carcass sleeve and is turning up each of the end flaps of the same sleeve around each first annular anchoring structure 6, the first support 34 and second support 35 translate on the third guide 33 until the end 33a of the third guide 33 for loading another first building drum 11 on the first support 34 and unloading the drum carried by the second support 35.
  • the operator "P" manually picks up second annular anchoring structures 6 intended for a subsequent tyre batch from the containers 40 and manually loads them into the basket 23 positioned in the loading location 39.
  • the second transport device 28 picks it up and takes it to one of the storage locations 22a of the second storage region 22 or directly to one of the storage location 21a of the first storage region 21.
  • the second transport device 28 brings the empty baskets 23 from the first storage region 21 to the second storage region 22 and brings the filled baskets 23 of the second annular anchoring structures 6 intended for the second tyre batch into the first storage region 21.
  • production of the second batch can immediately begin because the second annular anchoring structures 6 are already within reach of the first arm 27.
  • the building drums 11 of the second tyre batch coming from the building device 12 and provided each with a second carcass sleeve are fed towards the end 33a of the third guide 33 in succession and the second annular anchoring structures 6 are loaded in the bead-forming machine 20.
  • the operator "P” can prepare third annular anchoring structures 6 intended for a third batch, loading them into the loading location 39.
  • the above disclosed method goes on until each tyre batch designed for the current workshift has been completed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Tyre Moulding (AREA)
  • Tires In General (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Claims (25)

  1. Verfahren zur Steuerung der Verwaltung von ringförmigen Verankerungsstrukturen in einem Verfahren und einer Anlage zur Herstellung von Reifen für Fahrzeugräder, wobei das Verfahren die folgenden Schritte umfasst:
    a) Zuführen von Paaren von ersten ringförmigen Verankerungsstrukturen (6') von einem ersten Lagerbereich (21) zu einer Wulstfertigungsmaschine (20);
    b) Laden einer Vielzahl von zweiten ringförmigen Verankerungsstrukturen (6") in einen zweiten Lagerbereich (22);
    c) Befördern der zweiten ringförmigen Verankerungsstrukturen (6") von dem zweiten Lagerbereich (22) zu dem ersten Lagerbereich (21);
    d) Zuführen von Paaren von zweiten ringförmigen Verankerungsstrukturen (6") von dem ersten Lagerbereich (21) zu der Wulstfertigungsmaschine (20).
  2. Verfahren nach Anspruch 1, das folgenden Schritt umfasst:
    e) Laden einer Vielzahl von ersten ringförmigen Verankerungsstrukturen (6') in den zweiten Lagerbereich (22);
    f) Befördern der ersten ringförmigen Verankerungsstrukturen (6') von dem zweiten Lagerbereich (22) zu dem ersten Lagerbereich (21).
  3. Verfahren nach Anspruch 2, umfassend die sequenzielle zyklische Wiederholung der Aktionen a) bis f).
  4. Verfahren nach Anspruch 1, wobei die Aktion b) während des Transports der ersten ringförmigen Verankerungsstrukturen (6') zu der Wulstfertigungsmaschine (20) stattfindet.
  5. Verfahren nach Anspruch 2, wobei die Aktion f) während des Transports der zweiten ringförmigen Verankerungsstrukturen (6") zu der Wulstfertigungsmaschine (20) stattfindet.
  6. Verfahren nach Anspruch 1, wobei die zweiten ringförmigen Verankerungsstrukturen (6") durch das Verschieben von Körben (23), die jeweils eine Vielzahl der zweiten ringförmigen Verankerungsstrukturen (6") enthalten, von dem zweiten Lagerbereich (22) zu dem ersten Lagerbereich (21) befördert werden.
  7. Verfahren nach Anspruch 2, wobei die ersten ringförmigen Verankerungsstrukturen (6') durch das Verschieben von Körben (23), die jeweils eine Vielzahl von ersten ringförmigen Verankerungsstrukturen (6') enthalten, von dem zweiten Lagerbereich (22) zu dem ersten Lagerbereich (21) befördert werden.
  8. Verfahren nach Anspruch 1, wobei die Aktion b) umfasst: Bringen der zweiten ringförmigen Verankerungsstrukturen (6") an eine Ladeposition (39) des zweiten Lagerbereichs (22).
  9. Verfahren nach Anspruch 2, wobei die Aktion e) umfasst: Bringen der ersten ringförmigen Verankerungsstrukturen (6') an eine Ladeposition (39) des zweiten Lagerbereichs (22).
  10. Verfahren nach Anspruch 1, das folgenden Schritt umfasst:
    - Fertigen erster Karkassenhülsen einer ersten Charge von Reifen (2) auf Fertigungstrommeln (11), wobei jede erste Karkassenhülse zumindest eine Karkassenlage (3) umfasst;
    - Zuführen der Fertigungstrommeln (11) mit den ersten Karkassenhülsen der Reihe nach zu der Wulstfertigungsmaschine (20).
  11. Verfahren nach Anspruch 10, das folgenden Schritt umfasst:
    - Einpassen der Paare von ersten ringförmigen Verankerungsstrukturen (6') auf jeder ersten Karkassenhülse unter Ausbildung von Paaren von Wülsten (5).
  12. Verfahren nach Anspruch 11, das folgenden Schritt umfasst:
    - Wegbewegen jeder Fertigungstrommel (11) der Reihe nach von der Wulstfertigungsmaschine (20), wobei die ersten Karkassenhülsen mit Paaren von Wülsten (5) versehen sind.
  13. Verfahren nach Anspruch 12, wobei die Aktion c) während der Bildung jedes Paares von Wülsten (5) an jeder der ersten Karkassenhülsen stattfindet.
  14. Verfahren nach Anspruch 1 oder 13, das folgenden Schritt umfasst:
    - Fertigen zweiter Karkassenhülsen einer zweiten Charge von Reifen (2) auf Fertigungstrommeln (11), wobei jede zweite Karkassenhülse zumindest eine Karkassenlage (3) umfasst;
    - Zuführen der Fertigungstrommeln (11) mit den zweiten Karkassenhülsen der Reihe nach an die Wulstfertigungsmaschine (20).
  15. Verfahren nach Anspruch 14, das folgenden Schritt umfasst:
    - Einpassen der Paare von zweiten ringförmigen Verankerungsstrukturen (6") auf jeder zweiten Karkassenhülse unter Ausbildung von Paaren von Wülsten (5).
  16. Verfahren nach Anspruch 15, das folgenden Schritt umfasst:
    - Wegbewegen jeder Fertigungstrommel (11) der Reihe nach von der Wulstfertigungsmaschine (20), wobei die zweiten Karkassenhülsen mit Paaren von Wülsten (5) versehen sind.
  17. Anlage zur Herstellung von Reifen für Fahrzeugräder, umfassend:
    - eine Vorrichtung (12) zur Fertigung von Karkassenhülsen auf Fertigungstrommeln (11);
    - eine Wulstfertigungsmaschine (20);
    - einen ersten Lagerbereich (21);
    - einen zweiten Lagerbereich (22);
    - eine erste Transportvorrichtung (24), die zwischen einer Aufnahmeposition für Paare von ringförmigen Verankerungsstrukturen (6', 6") in dem ersten Lagerbereich (21) und einer Freigabeposition der Paare von ringförmigen Verankerungsstrukturen (6', 6") in der Wulstfertigungsmaschine (20) beweglich ist;
    - eine zweite Transportvorrichtung (28), die zwischen einer ersten Einrückposition in dem ersten Lagerbereich (21) und einer zweiten Einrückposition in dem Lagerbereich (22) beweglich sind, um eine Vielzahl von ringförmigen Verankerungsstrukturen (6', 6") zwischen dem ersten Lagerbereich (21) und dem zweiten Lagerbereich (22), und umgekehrt, zu bewegen.
  18. Anlage nach Anspruch 17, umfassend eine Vielzahl von Körben (23), die in dem ersten Lagerbereich (21) und in dem zweiten Lagerbereich (22) untergebracht werden können, wobei jeder der Körbe (23) in der Lage ist, eine Vielzahl von ringförmigen Verankerungsstrukturen (6', 6") zu halten.
  19. Anlage nach Anspruch 17, umfassend eine dritte Transportvorrichtung (32), die zwischen der Fertigungsvorrichtung (12) und der Wulstfertigungsmaschine (20) beweglich ist, um die Fertigungstrommeln (11) mit den Karkassenhülsen ohne ringförmige Verankerungsstrukturen (6', 6") von der Fertigungsvoruchtung (12) zu der Wulstfertigungsmaschine (20) zu bringen, und die Fertigungstrommeln (1) mit den Karkassenhülsen, die mit den Paaren von ringförmigen Verankerungsstrukturen (6', 6") versehen sind, von der Wulstfertigungsmaschine (20) weg zu bewegen.
  20. Anlage nach Anspruch 17, wobei der erste Lagerbereich (21) sich in einer horizontalen Richtung (X-X) erstreckt.
  21. Anlage nach Ansprüche 18 und 20, wobei der erste Lagerbereich (21) eine Vielzahl von ersten Lagerpositionen (21a) umfasst, die in seitlicher Beziehung zueinander entlang der horizontalen Richtung (X-X) angeordnet und jeweils geeignet sind, einen Korb (23) aufzunehmen.
  22. Anlage nach Anspruch 20, wobei die erste Transportvorrichtung (24) umfasst:
    - eine erste Führung (25), die sich in einer seitlichen Beziehung mit und parallel zu dem ersten Lagerbereich (21) erstreckt;
    - einen ersten Lastwagen (26);
    - zumindest einen ersten Arm (27) zum Aufnehmen von ringförmigen Verankerungsstrukturen (6', 6"), der an dem ersten Lastwagen (26) montiert und zwischen dem ersten Lagerbereich (21) und der Wulstfertigungsmaschine (20) beweglich ist.
  23. Anlage nach Anspruch 20, wobei der zweite Lagerbereich (22) sich im Wesentlichen parallel zu dem ersten Lagerbereich (21) erstreckt.
  24. Anlage nach den Ansprüchen 18 und 20, wobei der zweite Lagerbereich (22) eine Vielzahl von dritten Lagerpositionen (22a) umfasst, die in seitlicher Beziehung zueinander entlang der horizontalen Richtung (X-X) angeordnet und jeweils geeignet sind, einen Korb (23) aufzunehmen.
  25. Anlage nach Anspruch 24, wobei der zweite Lagerbereich (22) eine Ladeposition (39) umfasst, die für einen Bediener (P) zugänglich ist und geeignet ist, einen der Vielzahl von Körben (23) aufzunehmen.
EP11799310.5A 2010-11-12 2011-10-21 Verfahren zur steuerung der verwaltung von ringförmigen verankerungsstrukturen in einem verfahren und anlage zur herstellung von reifen für fahrzeugräder Active EP2637848B1 (de)

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ITMI2010A002093A IT1402569B1 (it) 2010-11-12 2010-11-12 Metodo per controllare la gestione di strutture anulari di ancoraggio in un processo ed un impianto per confezionare pneumatici per ruote di veicoli
US41612710P 2010-11-22 2010-11-22
PCT/IB2011/054709 WO2012063153A1 (en) 2010-11-12 2011-10-21 A method of controlling the management of annular anchoring structures in a process and a plant for building tyres for vehicle wheels

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ITMI20121282A1 (it) 2012-07-24 2014-01-25 Pirelli Metodo ed apparato per controllare la gestione di strutture anulari di ancoraggio in un processo per confezionare pneumatici per ruote di veicoli
ITMI20122179A1 (it) * 2012-12-19 2014-06-20 Pirelli Metodo per verificare la corretta formazione dei talloni in un processo e in un impianto per confezionare pneumatici per ruote di veicoli.
WO2016108098A1 (en) * 2014-12-29 2016-07-07 Pirelli Tyre S.P.A. Process and plant for building tyres for vehicle wheels
ITUB20159528A1 (it) * 2015-12-23 2017-06-23 Pirelli Metodo per gestire un impianto per la cappiatura di strutture anulari di ancoraggio e impianto per la cappiatura di strutture anulari di ancoraggio
JP7154947B2 (ja) * 2018-10-26 2022-10-18 Ｔｏｙｏ Ｔｉｒｅ株式会社 空気入りタイヤの製造方法及びビード部材の収納ホルダー

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US20200130301A1 (en) 2020-04-30
WO2012063153A1 (en) 2012-05-18
US20160332399A1 (en) 2016-11-17
IT1402569B1 (it) 2013-09-13
BR112013010363A2 (pt) 2016-08-02
KR20140040064A (ko) 2014-04-02
KR101941961B1 (ko) 2019-01-24
US11167513B2 (en) 2021-11-09
EP2637848A1 (de) 2013-09-18
JP5937096B2 (ja) 2016-06-22
JP2013542109A (ja) 2013-11-21
US20130213558A1 (en) 2013-08-22
BR112013010363B1 (pt) 2020-12-01
US10549495B2 (en) 2020-02-04
US9365005B2 (en) 2016-06-14
CN103298604A (zh) 2013-09-11
CN103298604B (zh) 2016-01-27

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